| 摘要 |
Display device for use as a greetings card, retail promotion or in books, comprises a foldable sheet member (11) which, in its open condition, forms a three-dimensional structure. The sheet form member (11) has fold lines (16, 19A) that extend at an acute angle to the centreline (14). The lines (16, 19A) fold in opposite directions so that the structure provides a stable free-standing device.
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